Festo Compact Performance CP-FB6-E, Руководство пользователя

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1.3.2 Non-floating structure
Non-floating screening designs should be used prefer-
ably in the following cases:
– in small systems with low interference
– in bus environments with low-impedance,
star-shaped earthing
– with locally earthed slaves in conjunction with poten-
tial equalizing cables.
With non-floating structures, the electromagnetic inter-
ference through the screening/shielding of the bus
cable is earthed on both sides via the screening
sleeve of a metal plug.
A star-shaped low-impedance earthing or potential
equalizing cables are required for this purpose.
1
INTERBUS
incoming
2
INTERBUS
continuing
3
Screening
sleeve
(metal plug)
4
Fieldbus node
housing
5
e.g. potential
equalization
6
Screening
sleeve
(metal plug)
Fig. 1/4: Circuit diagram of a non-floating INTERBUS connection
5
3
2
1
6
4
1. Installation
CP FB6-E 9809c
1-9